Piece of furniture

Claim 2

A piece of furniture comprising a flexible body-supporting support means, two opposed substantially parallel marginal portions of said support means, elongated bead means on and extending along said marginal portions, two elongated frame bar means, each of said bar means extending along one of said marginal portions, means on each of said bar means forming a number of channels, each one extending along the whole length of said bar means and each having a constricted lateral mouth in a lateral surface of said bar means, said bead means having a larger cross-sectional area than the width of said constricted mouths of channels and being inserted into said channels from one end thereof for anchoring said marginal portions of said support means in said channels, elongated crossbar means connecting said frame bar means and being the sole rigid connecting means between said frame bar means, and means for changing the effective length of said crossbar means to stretch said support means between said frame bar means.

Claim 3

A piece of furniture comprising a flexible supporting surface means, two opposed substantially parallel marginal portions of said supporting surface means, first elongated bead means on and extending along said marginal portions of said supporting surface means, a flexible carrying means, two opposed substantially parallel marginal portions on said carrying means, second elongated bead means on and extending along said marginal portions of said carrying means, two elongated substantially parallel frame bar means, means on each of said bar means forming a first and a second channel, each of said channels extending along the whole length of said bar means and each having a constricted lateral surface of said bar means, said first bead means having a larger cross-sectional area than the width of said constricted mouths of said first channels and being inserted into said first channels from one end thereof for anchoring said marginal portions of said supporting surface means in said first channel in each of said bar means, and said second bead means having a larger cross-sectional area than the width of said constricted mouths of said second channels and being inserted into said second channels from one end thereof for anchoring said marginal portions of said carrying means in said second channel in each of said bar means, elongated crossbar means connecting said frame bar means and being the sole rigid connecting means between said frame bar means, and means for changing the effective length of said crossbar means to stretch said supporting surface means and said carrying means between said frame bar means.

Claim 4

A piece of furniture comprising a flexible supporting surface means, two opposed substantially parallel marginal portions of said supporting surface means, first elongated bead means on and extending along said marginal portions of said supporting surface means, a flexible carrying means, two opposed substantially parallel marginal portions on said carrying means, second elongated bead means on and extending along said marginal portions of said carrying means, two elongated substantially parallel frame bar means, means on each of said bar means forming a first and a second channel, each of said channels extending along the whole length of said bar means and each having a constricted lateral surface of said bar means, said first bead means having a larger cross-sectional area than the width of said constricted mouths of said first channels and being inserted into said first channels from one end thereof for anchoring said marginal portions of said supporting surface means in said first channel in each of said bar means, and said second bead means having a larger cross-sectional area than the width of said constricted mouths of said second channels and being inserted into said second channels from one end thereof for anchoring said marginal portions of said carrying means in said second channel in each of said bar means, elongated crossbar means connecting said frame bar means and being the sole rigid connecting means between said frame bar means, and means for changing the effective length of said crossbar means to stretch said supporting surface means and said carrying means between said frame bar means.

Claim 5

A piece of furniture according to claim 2 in which said carrying means is formed by an inflatable tube.

Claim 6

A piece of furniture comprising two elongated substantially parallel frame bar means, means on each of said bar means forming a first and a second channel, each extending along the whole length of said bar means and each having a constricted lateral mouth in a lateral surface of said bar means, elongated crossbar means connecting said frame bar means and forming the sole rigid connecting means between said frame bar means, length control means for changing The effective length of said crossbar means, a flexible carrying means, two opposed substantially parallel marginal portions on said carrying means, first bead means having a larger cross-sectional area than the width of said constricted mouths of said first channels and being inserted into said first channels from one end thereof for anchoring said marginal portions of said carrying means in said first channel in each of said bar means, said length control means serving to tighten said carrying means between said bar means, a flexible supporting surface means, two opposed substantially parallel marginal portions of said supporting surface means, second bead means having a larger cross-sectional area than the width of said constricted mouths of said second channels and being inserted into said second channels from one end thereof for anchoring said marginal portions of said supporting surface means in said second channel in each of said bar means, said supporting surface means extending along a curve away from said carrying means from one of said bar means to the other when said carrying means is tightened by said length control means.

Claim 7

A piece of furniture comprising two elongated substantially parallel frame bar means, means on each of said bar means forming a first and a second channel, each extending along the whole length of said bar means and each having a constricted lateral mouth in a lateral surface of said bar means, elongated crossbar means connecting said frame bar means and forming the sole rigid connecting means between said frame bar means, length control means for changing The effective length of said crossbar means, a flexible carrying means, two opposed substantially parallel marginal portions on said carrying means, first bead means having a larger cross-sectional area than the width of said constricted mouths of said first channels and being inserted into said first channels from one end thereof for anchoring said marginal portions of said carrying means in said first channel in each of said bar means, said length control means serving to tighten said carrying means between said bar means, a flexible supporting surface means, two opposed substantially parallel marginal portions of said supporting surface means, second bead means having a larger cross-sectional area than the width of said constricted mouths of said second channels and being inserted into said second channels from one end thereof for anchoring said marginal portions of said supporting surface means in said second channel in each of said bar means, said supporting surface means extending along a curve away from said carrying means from one of said bar means to the other when said carrying means is tightened by said length control means.

Claim 8

A piece of furniture comprising a flexible body-supporting support means, two opposed substantially parallel marginal portions on said support means, elongated bead means on and extending along said marginal portions, two elongated main frame bar means, each of said main bar means extending along one of said marginal portions, means on each of said main bar means forming a number of channels, each one extending along the whole length of said main bar means and each having a constricted lateral mouth in a lateral surface of said main bar means, said bead means having a larger cross-sectional area than the width of said constricted mouths of said channels and being introduced into said channels from one end thereof for anchoring said marginal portions of said support means in said channels, elongated crossbar means connecting said main frame bar means and being the sole rigid connecting means between said main frame bar means, means for changing the effective length of said crossbar means to stretch said support means between said main frame bar means, and auxiliary frame bar means extending along at least part of the length of each of said main bar means and being connected thereto.

Claim 9

A piece of furniture comprising a flexible body-supporting support means, two opposed substantially parallel marginal portions on said support means, elongated bead means on and extending along said marginal portions, two elongated main frame bar means, each of said main bar means extending along one of said marginal portions, means on each of said main bar means forming a number of channels, each one extending along the whole length of said main bar means and each having a constricted lateral mouth in a lateral surface of said main bar means, said bead means having a larger cross-sectional area than the width of said constricted mouths of said channels and being introduced into said channels from one end thereof for anchoring said marginal portions of said support means in said channels, elongated crossbar means connecting said main frame bar means and being the sole rigid connecting means between said main frame bar means, means for changing the effective length of said crossbar means to stretch said support means between said main frame bar means, and auxiliary frame bar means extending along at least part of the length of each of said main bar means and being connected thereto.

Claim 10

A piece of furniture according to claim 5 comprising at least two substantially parallel flanges, extending in the same direction from each of said main bar means, and at least one flange on said auxiliary bar means engaging between and connected with said two flanges of said main bar means.

Claim 11

A piece of furniture according to claim 6 comprising snap detent means on said flanges of said main and auxiliary bar means for locking said main and auxiliary bar means together.

Claim 12

A piece of furniture according to claim 6 comprising extensions of said auxiliary bar means being bent away from said main bar means for forming legs of the piece of furniture.